To invite others to join a conversation:
Tap Messages from the dashboard.
Open a conversation:
To select a dispatch-related conversation, tap the Dispatch tab, then tap the conversation you want to view; or
To select a conversation unrelated to a dispatch, tap the Messages tab, then tap the conversation you want to view.
Tap Details to display a list of all users who have already joined the conversation.
Select one or more users to invite to the conversation by tapping their name(s).
Tap < Back to return to the messages screen.